CVE-2026-100894 mathurvishal CloudClassroom-PHP-Project updateguest.php sql injection
Remote attackers can exploit SQL injection in updateguest.php to read or modify database contents in the CloudClassroom PHP Project.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100894?
CVE-2026-100894 is a medium-severity SQL injection vulnerability in mathurvishal CloudClassroom-PHP-Project, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. This issue affects some unknown processing of the file updateguest.php. The manipulation of the argument gname leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-100894?
How do I fix CVE-2026-100894?
No fix has been published for CVE-2026-100894 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-100894 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100894 exists.
Sources
Also known as GHSA-c77p-prh2-xw6x.